Impressions of roads and road research in North America
By: by W.H. Glanville and F.N. Sparkes.
Contributors: Sparkes, F. N., joint author.
Series: Harmondsworth, Eng.  Road Research Laboratory.  Road research technical paper; no. 7; Road research technical paper ;; no. 7.
Publisher: H. M. Stationery Off.
Published: 1947
Place of publication: London
Language: eng
Number of pages: 37
Subjects: Highway research.; Roads -- North America.